JP4837469B2 - 光情報検出方法、光情報検出器及びデータサンプリング方法 - Google Patents
光情報検出方法、光情報検出器及びデータサンプリング方法 Download PDFInfo
- Publication number
- JP4837469B2 JP4837469B2 JP2006196263A JP2006196263A JP4837469B2 JP 4837469 B2 JP4837469 B2 JP 4837469B2 JP 2006196263 A JP2006196263 A JP 2006196263A JP 2006196263 A JP2006196263 A JP 2006196263A JP 4837469 B2 JP4837469 B2 JP 4837469B2
- Authority
- JP
- Japan
- Prior art keywords
- detection
- pixel
- data
- detected
- optical information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
- H03M5/02—Conversion to or from representation by pulses
- H03M5/04—Conversion to or from representation by pulses the pulses having two levels
- H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
- H03M5/145—Conversion to or from block codes or representations thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/89—Television signal recording using holographic recording
- H04N5/90—Television signal recording using holographic recording on discs or drums
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2504—Holographic discs; Holographic digital data storage [HDDS]
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Image Processing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2006-0020465 | 2006-03-03 | ||
KR1020060020465A KR100728818B1 (ko) | 2006-03-03 | 2006-03-03 | 광 정보 검출 방법, 광 정보 검출기 및 데이터 샘플링 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007241229A JP2007241229A (ja) | 2007-09-20 |
JP4837469B2 true JP4837469B2 (ja) | 2011-12-14 |
Family
ID=38124013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006196263A Expired - Fee Related JP4837469B2 (ja) | 2006-03-03 | 2006-07-18 | 光情報検出方法、光情報検出器及びデータサンプリング方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7970209B2 (ko) |
EP (1) | EP1830358B1 (ko) |
JP (1) | JP4837469B2 (ko) |
KR (1) | KR100728818B1 (ko) |
CN (1) | CN100492501C (ko) |
AT (1) | ATE450037T1 (ko) |
DE (1) | DE602006010657D1 (ko) |
TW (1) | TWI336077B (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100676870B1 (ko) * | 2005-12-22 | 2007-02-02 | 주식회사 대우일렉트로닉스 | 광 정보 검출 방법 및 광 정보 검출기 |
EP2063423A1 (en) * | 2007-11-15 | 2009-05-27 | Deutsche Thomson OHG | Shift-insensitive storage of information in page oriented optical data storage systems |
JP6361111B2 (ja) * | 2013-10-31 | 2018-07-25 | 株式会社Jvcケンウッド | 画像処理装置、画像処理方法および投射装置 |
US9684951B2 (en) * | 2014-03-31 | 2017-06-20 | Los Alamos National Security, Llc | Efficient convolutional sparse coding |
US9858502B2 (en) | 2014-03-31 | 2018-01-02 | Los Alamos National Security, Llc | Classification of multispectral or hyperspectral satellite imagery using clustering of sparse approximations on sparse representations in learned dictionaries obtained using efficient convolutional sparse coding |
US9946931B2 (en) | 2015-04-20 | 2018-04-17 | Los Alamos National Security, Llc | Change detection and change monitoring of natural and man-made features in multispectral and hyperspectral satellite imagery |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4326219A (en) | 1980-04-11 | 1982-04-20 | Ampex Corporation | Digital error measuring circuit for shading and registration errors in television cameras |
US5511058A (en) | 1993-12-23 | 1996-04-23 | Tamarack Storage Devices | Distortion correction of a reconstructed holographic data image |
US5694488A (en) | 1993-12-23 | 1997-12-02 | Tamarack Storage Devices | Method and apparatus for processing of reconstructed holographic images of digital data patterns |
US5838650A (en) | 1996-06-26 | 1998-11-17 | Lucent Technologies Inc. | Image quality compensation method and apparatus for holographic data storage system |
US6016330A (en) * | 1996-10-18 | 2000-01-18 | International Business Machines Corporation | Encoding and detection of balanced codes |
US6005693A (en) * | 1997-05-16 | 1999-12-21 | International Business Machines Corporation | Method for holographic storage |
US6665454B1 (en) | 1997-07-15 | 2003-12-16 | Silverbrook Research Pty Ltd | Dot adjacency compensation in optical storage systems using ink dots |
JP2002314433A (ja) * | 2001-04-04 | 2002-10-25 | Daewoo Electronics Co Ltd | 誤り訂正可能なチャンネルコーディング方法 |
KR100448282B1 (ko) * | 2001-08-30 | 2004-09-10 | 주식회사 대우일렉트로닉스 | 가중치 블록을 이용한 균형 부호화 및 복호화 방법 |
AU2003235679A1 (en) * | 2002-01-14 | 2003-07-30 | Carnegie Mellon University | Conveyor belt inspection system and method |
TWI248073B (en) | 2002-01-17 | 2006-01-21 | Media Tek Inc | Device and method for displaying static pictures |
US7738736B2 (en) * | 2003-05-09 | 2010-06-15 | Inphase Technologies, Inc. | Methods and systems for holographic data recovery |
JP2005005573A (ja) * | 2003-06-13 | 2005-01-06 | Fujitsu Ltd | 撮像装置 |
KR100555914B1 (ko) | 2003-11-15 | 2006-03-03 | 주식회사 대우일렉트로닉스 | 홀로그래픽 시스템의 데이터 추출 장치 및 방법 |
KR100536672B1 (ko) * | 2003-12-15 | 2005-12-14 | 주식회사 대우일렉트로닉스 | 홀로그래픽 저장장치에서의 크기 및 회전 보정을 위한오버 샘플링 방법 |
JP2005252625A (ja) * | 2004-03-03 | 2005-09-15 | Canon Inc | 撮像装置および画像処理方法 |
KR100578181B1 (ko) | 2004-03-08 | 2006-05-11 | 주식회사 대우일렉트로닉스 | 홀로그래픽 디지털 데이터 저장 시스템의 오버 샘플링 방법 |
KR100578182B1 (ko) * | 2004-04-12 | 2006-05-11 | 주식회사 대우일렉트로닉스 | 홀로그래픽 시스템에서의 재생 홀로그램 데이터 전처리장치 및 그 방법 |
KR100555920B1 (ko) * | 2004-06-04 | 2006-03-03 | 주식회사 대우일렉트로닉스 | Hdds 시스템에서 재생 시 디스토션 이미지 오버샘플링방법 |
US7656564B2 (en) * | 2004-06-24 | 2010-02-02 | Daewoo Electronics Corporation | Apparatus and method for compensating for pixel distortion in reproduction of hologram data |
US7848595B2 (en) * | 2004-06-28 | 2010-12-07 | Inphase Technologies, Inc. | Processing data pixels in a holographic data storage system |
KR100676870B1 (ko) | 2005-12-22 | 2007-02-02 | 주식회사 대우일렉트로닉스 | 광 정보 검출 방법 및 광 정보 검출기 |
-
2006
- 2006-03-03 KR KR1020060020465A patent/KR100728818B1/ko not_active IP Right Cessation
- 2006-07-12 TW TW095125419A patent/TWI336077B/zh not_active IP Right Cessation
- 2006-07-13 US US11/486,434 patent/US7970209B2/en not_active Expired - Fee Related
- 2006-07-18 JP JP2006196263A patent/JP4837469B2/ja not_active Expired - Fee Related
- 2006-07-18 EP EP06014925A patent/EP1830358B1/en not_active Not-in-force
- 2006-07-18 DE DE602006010657T patent/DE602006010657D1/de active Active
- 2006-07-18 AT AT06014925T patent/ATE450037T1/de not_active IP Right Cessation
- 2006-07-20 CN CNB200610107414XA patent/CN100492501C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TWI336077B (en) | 2011-01-11 |
CN101030392A (zh) | 2007-09-05 |
ATE450037T1 (de) | 2009-12-15 |
EP1830358A3 (en) | 2007-09-12 |
EP1830358B1 (en) | 2009-11-25 |
EP1830358A2 (en) | 2007-09-05 |
DE602006010657D1 (de) | 2010-01-07 |
US20070206485A1 (en) | 2007-09-06 |
CN100492501C (zh) | 2009-05-27 |
US7970209B2 (en) | 2011-06-28 |
TW200735072A (en) | 2007-09-16 |
KR100728818B1 (ko) | 2007-06-19 |
JP2007241229A (ja) | 2007-09-20 |
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